Vanguard, EQ2, heck even Wurm because of how the resources are done. But the imping can be boring.
EQ2 is likely one of the best ones but its not done balanced 100% correct.
Check out Vanguard and EQ2.
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Star Wars Galaxies crafting/resource mechanics were about 47,000,000x more interesting than Xsyon's system. (At least Pre-NGE... I think they watered it down a bit after that mistake.)
Fallen Earth was my Fav Tent oops I mean decay.
Auto Assault....you collected mats by blowing shit up. How could it get any more fun?
I miss imping.... And of course sharpening my coif.